Search For Very High Energy Gamma Ray Emission From Hercules X 1 PDF Download
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Author | : Linda Ann Kelley |
Publisher | : |
Total Pages | : 0 |
Release | : 1991 |
Genre | : Gamma ray astronomy |
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Download Search for Very High Energy Gamma Ray Emission from Hercules X-1 Book in PDF, ePub and Kindle
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Total Pages | : |
Release | : 1991 |
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Download Search for Very High Energy Gamma Ray Emission from Hercules X-1 Book in PDF, ePub and Kindle
Microfiche.
Author | : Patrick Olson Slane |
Publisher | : |
Total Pages | : 434 |
Release | : 1988 |
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Download A Search for Very High Energy Gamma Rays from Hercules X-1 Book in PDF, ePub and Kindle
Author | : Paul T. Reynolds |
Publisher | : |
Total Pages | : 227 |
Release | : 1989 |
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Download Detection of Hercules X-1 and the Search for Very High Energy Gamma Ray Emission from the Galactic Plane Book in PDF, ePub and Kindle
Author | : Andrew Harold Szentgyorgyi |
Publisher | : |
Total Pages | : 456 |
Release | : 1986 |
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Download A Search for Very High Energy Gamma Ray Emission from Cygnus X-3 Book in PDF, ePub and Kindle
Author | : Stephen John Kenny |
Publisher | : |
Total Pages | : 156 |
Release | : 1985 |
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Download A Search for Very High Energy Gamma Rays from Hercules X-I. Book in PDF, ePub and Kindle
Author | : Steven David Bloomer |
Publisher | : |
Total Pages | : |
Release | : 1990 |
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Download The Search for Ultra High Energy Gamma Ray Emission from Cygnus X-3 and Hercules X-1 Book in PDF, ePub and Kindle
Author | : Michael Damien Roberts |
Publisher | : |
Total Pages | : 162 |
Release | : 1993 |
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Download A Search for Very High Energy Gamma-rays from Hercules X-1 Using the Pulse Profile Technique Book in PDF, ePub and Kindle
Author | : |
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Total Pages | : 274 |
Release | : 1992 |
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Download A Study of Ultra High Energy Radiation Associated with Hercules X-1 Book in PDF, ePub and Kindle
Data from the CYGNUS experiment has been used to examine ultra high energy (UHE) radiation associated with the X-ray binary star system Hercules X-1. A search for both pulsed, and unpulsed emission over time scales ranging from minutes to years has failed to yield a result of comparable significance to that of the previously published observation of July 24, 1986. A reassessment of this result in light of the number of hypotheses that have been examined for Hercules X-1 yields a probability estimate of 0.44% that the data is consistent with background fluctuations. If the number of independent source hypotheses is also accounted for, an overall chance probability of 1.8% is assessed for the observations of the CYGNUS experiment. The extensive air showers corresponding to the episode of July 24, 1986 contain a substantial muon content, in contradiction with traditional predictions for primary gamma-rays. No satisfactory theory has yet been put forward to explain this phenomenon. A further analysis of shower characteristics for events associated with this episode indicates a steeper radial dependence of the showerfront timing width at a chance probability level of 0.16%. This property might be explained by a model that invokes a forward-peaked and/or a deeply interacting component of the hadronic interaction in the atmosphere. The potential importance of UHE observations of Hercules X-1 is great. however the evidence is not yet compelling. Further observations will be necessary, to confirm the potential properties of associated UHE radiation.
Author | : |
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Total Pages | : 836 |
Release | : 1994 |
Genre | : Aeronautics |
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Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle